Berman, Edward, 1897-1938
and United States. Bureau of Labor Statistics.
Massachusetts System of Savings-Bank Life Insurance : Bulletin of the United States Bureau of Labor Statistics, No. 615 ,
Washington, D.C:
U.S. G.P.O.,
August 1935, https://fraser.stlouisfed.org/title/4137,
accessed on April 19, 2025.
@FedFRASER